Control signal generating device moving sound speaker systems including a plurality of speakers and a

Claim 2

A multiple speaker system, comprising: a. a plurality of speakers arranged in a preselected pattern about a listening area, b. a common source of audio signals to be supplied to each of the speakers, c. adjustable linear master control signal generating means for producing a recurring high to low amplitude master control wave, d. linear duplicate control signal generating means for receiving the master control signal and producing a plurality of out of phase duplicate control signals, each of the signals being applied to a separate output terminal, e. the linear duplicate control signal gEnerating means including means for varying the phase difference between each of the duplicate control signals dependent upon the arrangement of the speakers to each other and the desired pattern of speaker actuation, f. circuit means for varying the frequency and amplitude of the master control signal dependent upon the overall sound effect to be produced, g. a separate variable audio signal wave producing circuit means connected to each speaker and to one of the output terminals of the linear duplicate control signal generating means for receiving and combining the common audio signal and the control signal from the output terminal for that speaker, and transmitting a systematic varying amplitude audio wave to the speaker, h. the master control signal generating means is a shift register circuit for producing a series of successive clockpulses.

Claim 3

A multiple speaker system, comprising: a. a plurality of speakers arranged in a preselected pattern about a listening area, b. a common source of audio signals to be supplied to each of the speakers, c. adjustable linear master control signal generating means for producing a recurring high to low amplitude master control wave, d. linear duplicate control signal generating means for receiving the master control signal and producing a plurality of out of phase duplicate control signals, each of the signals being applied to a separate output terminal, e. the linear duplicate control signal generating means including means for varying the phase difference between each of the duplicate control signals dependent upon the arrangement of the speakers to each other and the desired pattern of speaker actuation, f. circuit means for varying the frequency and amplitude of the master control signal dependent upon the overall sound effect to be produced, g. a separate variable audio signal wave producing circuit means connected to each speaker and to one of the output terminals of the linear duplicate control signal generating means for receiving and combining the common audio signal and the control signal from the output terminal for that speaker, and transmitting a systematic varying amplitude audio wave to the speaker, h. the master signal generating means includes a pulse producing means for producing a successive train of pulses, and also includes a wave shaping circuit for receiving and modifying the shape of the train of pulses.

Claim 4

A multiple speaker system, comprising: a. a plurality of speakers arranged in a preselected pattern about a listening area, b. a common source of audio signals to be supplied to each of the speakers, c. adjustable linear master control signal generating means for producing a recurring high to low amplitude master control wave, d. linear duplicate control signal generating means for receiving the master control signal and producing a plurality of out of phase duplicate control signals, each of the signals being applied to a separate output terminal, e. the linear duplicate control signal generating means including means for varying the phase difference between each of the duplicate control signals dependent upon the arrangement of the speakers to each other and the desired pattern of speaker actuation, f. circuit means for varying the frequency and amplitude of the master control signal dependent upon the overall sound effect to be produced, g. a separate variable audio signal wave producing circuit means connected to each speaker and to one of the output terminals of the linear duplicate control signal generating means for receiving and combining the common audio signal and the control signal from the output terminal for that speaker, and transmitting a systematic varying amplitude audio wave to the speaker, h. the master signal generating means includes a pulse producing means for producing a successive train of pulses, and also includes a wave shaping circuit for receiving and modifying the shape of the train of pulses.

Claim 5

A multi-speaker sound system, comprising: a. a plurality of loudspeaker units arranged in a preselected pattern, b. a plurality of audio sources constituting plural audio channel signal sources, c. a signal combining means connected between each of said speakers and one of said audio sources, d. adjustable linear signal generator means for generating a succession of phase-displaced fluctuating amplitude control waves, one for each speaker, e. means to vary the phase and amplitude of the amplitude control waves in accordance with the location of the speaker for that control wave with respect to the other speakers and the desired overall sound pattern to be created, whereby different and distinct phase-displaced amplitude varying audio signals are supplied to each of the speakers with the amplitude increasing and decreasing successively on one channel with respect to another channel to provide an impression of sound movement from speaker to speaker, f. the signal generator means including a peaking pulse generating circuit, and circuit means for inverting the peak pulse to provide two amplitude control waves which are one hundred and eighty degrees out of phase, g. the signal combining means including a plurality of electronic mixing circuits, and h. an operational amplifier is connected between the outputs of several of the mixing circuits and the input to their corresponding loud speaker.

Claim 6

A multi-speaker sound system, comprising: a. a plurality of loudspeaker units arranged in a preselected pattern, b. a plurality of audio sources constituting plural audio channel signal sources, c. a signal combining means connected between each of said speakers and one of said audio sources, d. adjustable linear signal generator means for generating a succession of phase-displaced fluctuating amplitude control waves, one for each speaker, e. means to vary the phase and amplitude of the amplitude control waves in accordance with the location of the speaker for that control wave with respect to the other speakers and the desired overall sound pattern to be created, whereby different and distinct phase-displaced amplitude varying audio signals are supplied to each of the speakers with the amplitude increasing and decreasing successively on one channel with respect to another channel to provide an impression of sound movement from speaker to speaker, f. the signal generator means including a peaking pulse generating circuit, and circuit means for inverting the peak pulse to provide two amplitude control waves which are one hundred and eighty degrees out of phase, g. the signal combining means including a plurality of electronic mixing circuits, and h. an operational amplifier is connected between the outputs of several of the mixing circuits and the input to their corresponding loud speaker.

Claim 7

A multiple speaker system, comprising: a. a plurality of speakers arranged in a preselected pattern about a listEning area, b. a common source of audio signals to be supplied to each of the speakers, c. adjustable linear master control signal generating means for producing a recurring high to low amplitude master control wave, d. linear duplicate control signal generating means for receiving the master control signal and producing a plurality of out of phase duplicate control signals, each of the signals being applied to a separate output terminal, e. the linear duplicate control signal generating means including means for varying the phase difference between each of the duplicate control signals dependent upon the arrangement of the speakers to each other and the desired pattern of speaker actuation, f. circuit means for varying the frequency and amplitude of the master control signal dependent upon the overall sound effect to be produced, g. a separate variable audio signal wave producing circuit means connected to each speaker and to one of the output terminals of the linear duplicate control signal generating means for receiving and combining the common audio signal and the control signal from the output terminal for that speaker, and transmitting a systematic varying amplitude audio wave to the speaker, h. said circuit means for varying the frequency and amplitude of the master control signal including means for shifting the lower voltage level of the control signal for more sharply focusing the directionality of the sound source.

Claim 8

A multiple speaker system, comprising: a. a plurality of speakers arranged in a preselected pattern about a listEning area, b. a common source of audio signals to be supplied to each of the speakers, c. adjustable linear master control signal generating means for producing a recurring high to low amplitude master control wave, d. linear duplicate control signal generating means for receiving the master control signal and producing a plurality of out of phase duplicate control signals, each of the signals being applied to a separate output terminal, e. the linear duplicate control signal generating means including means for varying the phase difference between each of the duplicate control signals dependent upon the arrangement of the speakers to each other and the desired pattern of speaker actuation, f. circuit means for varying the frequency and amplitude of the master control signal dependent upon the overall sound effect to be produced, g. a separate variable audio signal wave producing circuit means connected to each speaker and to one of the output terminals of the linear duplicate control signal generating means for receiving and combining the common audio signal and the control signal from the output terminal for that speaker, and transmitting a systematic varying amplitude audio wave to the speaker, h. said circuit means for varying the frequency and amplitude of the master control signal including means for shifting the lower voltage level of the control signal for more sharply focusing the directionality of the sound source.

Claim 9

A multi-speaker sound system, comprising: a. a plurality of loudspeaker units arranged in a preselected pattern, b. a plurality of audio sources constituting plural audio channel signal sources, c. a signal combining means connected between each of said speakers and one of said audio sources, d. adjustable linear signal generator means for generating a succession of phase-displaced fluctuating amplitude control waves, one for each speaker, e. means to vary the phase and amplitude of the amplitude control waves in accordance with the location of the speaker for that control wave with respect to the other speakers and the desired overall sound pattern to be created, whereby different and distinct phase-displaced amplitude varying audio signals are supplied to each of the speakers with the amplitude increasing and decreasing successively on one channel with respect to another channel to provide an impression of sound movement from speaker to speaker, f. the signal generator means including a peaking pulse generating circuit, and circuit means for inverting the peak pulse to provide two amplitude control waves which are 180* out of phase, and g. said generator means also including means for shifting the lower voltage level of the control signals for more sharply focusing the directionality of the sound source.

Claim 10

A multi-speaker sound system, comprising: a. a plurality of loudspeaker units arranged in a preselected pattern, b. a plurality of audio sources constituting plural audio channel signal sources, c. a signal combining means connected between each of said speakers and one of said audio sources, d. adjustable linear signal generator means for generating a succession of phase-displaced fluctuating amplitude control waves, one for each speaker, e. means to vary the phase and amplitude of the amplitude control waves in accordance with the location of the speaker for that control wave with respect to the other speakers and the desired overall sound pattern to be created, whereby different and distinct phase-displaced amplitude varying audio signals are supplied to each of the speakers with the amplitude increasing and decreasing successively on one channel with respect to another channel to provide an impression of sound movement from speaker to speaker, f. the signal generator means including a peaking pulse generating circuit, and circuit means for inverting the peak pulse to provide two amplitude control waves which are 180* out of phase, and g. said generator means also including means for shifting the lower voltage level of the control signals for more sharply focusing the directionality of the sound source.

Claim 11

A variable amplitude speaker system comprising: a. an audio source, b. a loudspeaker unit, c. combining circuit means connected between the source and the speaker to receive the audio signal from the source and to receive a variable amplitude control signal for combining both signals for producing a variable amplitude audio signal which is passed on to the loudspeaker, d. a signal generating circuit for generating the variable amplitude control signal which includes a flip-flop circuit controlled by a high voltage and a low voltage comparator, and e. the signal generator circuit also includes integrator means for receiving pulses from the flip-flop circuit and shaping them to form a peaked amplitude control wave, the output of the integrator circuit being connected to the signal combining circuit to supply the variable amplitude control signal thereto.

Claim 12

A variable amplitude speaker system comprising: a. an audio source, b. a loudspeaker unit, c. combining circuit means connected between the source and the speaker to receive the audio signal from the source and to receive a variable amplitude control signal for combining both signals for producing a variable amplitude audio signal which is passed on to the loudspeaker, d. a signal generating circuit for generating the variable amplitude control signal which includes a flip-flop circuit controlled by a high voltage and a low voltage comparator, and e. the signal generator circuit also includes integrator means for receiving pulses from the flip-flop circuit and shaping them to form a peaked amplitude control wave, the output of the integrator circuit being connected to the signal combining circuit to supply the variable amplitude control signal thereto.

Claim 13

The variable amplitude speaker system as set forth in claim 6, wherein: a. the signal generator circuit means also includes a second pulse train generating circuit connected to the flip-flop circuit and controlled by the output thereof, the second circuit also including an intEgrator circuit means for receiving the pulse output from the second pulse generating circuit and shaping it to form a peaked continuous amplitude control wave.

Claim 14

The variable amplitude speaker system as set forth in claim 6, wherein: a. variable resistance control means is connected to the flip-flop circuit for varying the frequency of its change of state.

Claim 15

A multi-channel variable amplitude speaker system, comprising: a. a two-channel audio source, b. periodic peaking voltage generator circuit means for producing two-phase displaced amplitude control of voltages, c. a first multiplier circuit having one of its input lines connected to one of the two audio channels and its other input connected to the output of the voltage generator to receive one of the two-phase-displaced amplitude control waves, d. a second multiplier having one of its input lines connected to the other of the two audio channel sources and its second input line connected to the output of the voltage generator to receive the second of the phase-displaced amplitude control waves, e. an adder circuit connected to the output of each of the multipliers and having its output connected to a loudspeaker to produce an amplitude controlled audio signal, the amplitude of which is governed by the amplitude control waves supplied by the voltage generator.

Claim 16

A multi-channel variable amplitude speaker system, comprising: a. a two-channel audio source, b. periodic peaking voltage generator circuit means for producing two-phase displaced amplitude control of voltages, c. a first multiplier circuit having one of its input lines connected to one of the two audio channels and its other input connected to the output of the voltage generator to receive one of the two-phase-displaced amplitude control waves, d. a second multiplier having one of its input lines connected to the other of the two audio channel sources and its second input line connected to the output of the voltage generator to receive the second of the phase-displaced amplitude control waves, e. an adder circuit connected to the output of each of the multipliers and having its output connected to a loudspeaker to produce an amplitude controlled audio signal, the amplitude of which is governed by the amplitude control waves supplied by the voltage generator.

Claim 17

The multi-channel variable amplitude speaker system as set forth in claim 9, wherein: a. the voltage generator circuit means is a clocking circuit which produces a plurality of pulses.

Claim 18

The multi-channel variable amplitude speaker system of claim 9, wherein: a. the voltage generator circuit means includes a periodic pulse producing circuit and a pulse shaping circuit which receives the periodic pulses and changes their shape to produce a succession of peaking amplitude control pulses.

Claim 19

The multi-channel variable amplitude speaker system of claim 9, wherein: a. each of the multiplier circuits includes a level shifter circuit connected between the signal voltage generator circuit means and the amplitude control wave input lead to the multiplier for controlling the directivity of the sound impression by shifting the zero level of the amplitude control wave.

Claim 20

The multi-channel variable amplitude speaker system of claim 9, wherein: a. the adder is a conventionally wired operational amplifier which is AC coupled to the output of the multipliers.

Claim 21

The multiple speaker system of claim 1, wherein: a. the variable audio signal wave producing circuit means includes a multiplier circuit means for each speaker for combining an amplitude control wave with a single audio signal.

Claim 22

The multiple speaker system of claim 1, wherein: a. the audio source includes plural audio channel sources to provide plural channel sound, and b. the master control signal generating means provides amplitude control waves for each channel.

Claim 23

The multiple speaker system of claim 1, wherein: a. said pulse producing means is a flip-flop circuit, and b. the wave shaping circuit is an integrating circuit.

Claim 24

The multiple speaker circuit of claim 16, wherein: a. the integrating circuit is a differential amplifier circuit.